Last name Kirdin (Kirdin 
, Кирдин 
) , worldwide, is a rare family name. The last name Kirdin is habitual in Russia, where it is a rare surname, Thailand, where it is a very rare surname, and Kyrgyzstan. Measured by absolute frequency, it is commonest in Russia, Thailand, and Kazakhstan. Very seldom, Kirdin is the forename as well as the last name.